1. Define the following:
(i) Stimulus
(ii) Response
(iii) Neuron
(iv) Nerve
(v) Reflex Action
Answers
Answer:
1
Explanation:
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In general, a stimulus is something that provokes or causes an action or response, as in Failing that test was the stimulus I needed to start studying harder. The plural of stimulus is stimuli. ... In the context of science, a stimulus is anything that makes an organism or a part of an organism react in some way
What is a response?
1 : an act of responding. 2 : something constituting a reply or a reaction: such as. a : a verse, phrase, or word sung or said by the people or choir after or in reply to the officiant in a liturgical service.
Neurons (also called neurones or nerve cells) are the fundamental units of the brain and nervous system, the cells responsible for receiving sensory input from the external world, for sending motor commands to our muscles, and for transforming and relaying the electrical signals at every step in between.
What does nerve mean?
An expression of shocked disapproval regarding something someone said or did. They thought I would just go along with their plan to cut my pay while taking on more responsibility.
A reflex, or reflex action, is an involuntary and nearly instantaneous movement in response to a stimulus. A reflex is made possible by neural pathways called reflex arcs which can act on an impulse before that impulse reaches the brain.